Model 1088BM Black Mamba® Web Press Splice Detector™ & Distribution Technology

Splice Detector Model 1032

SUCCESS STORY

EUROPE

CASE STUDY

SUCCESS STORY

IPST & AFPA

BLACK MAMBA® WEB PRESS

SPLICE DETECTOR™

Technology for Innovators, fix the problem!


TECHNICAL SPECIFICATIONS
Defects Types Detected:	Splices Gross Missing Plies Web Breaks
Material Compatibility:	Papers Plastics Films Other Non-metallic Materials
Web Thickness:	5.08 mm Max. (0.20" Max.)
Gap Width:	6.35 mm (0.25")
Maximum Web Speed:	No Limit
Minimum Web Speed:	15.24 meter (50 fpm)
Relay Alarm Outputs: Dry Output Contact Closures: Current Capacity at 110 VAC: Current Capacity at 220 VAC: Alarm On Period:	2 (Non-inductive) 0.1 Amp 0.05 Amp 1 Second
Electronic Alarm Output: Pulse Outputs: Voltage: Direction: Duration:	1 15 V (± 3 V) Positive Going 10 ms
Ambient Temperature:	4 to 70° C (40 to 160° F)
Dimensions:	15.24 cm X 19.05 cm x 11.1 cm (6.0" X 7.5" X 4.37")
Power:	110/220/240 VAC 50/60 Hz Single Phase
Specifications are subject to change without notice. Note: If you web speed is less than 100 fpm, specialized circuitry may have to be applied. If you purchase this unit and it is found that specialized circuitry is required due to misinformation, all monies applicable will be charged, then applied as a credit for replacement of this standard unit with a specialized unit. Additional fees may be applied.

Prevent Costly Repair:

The Black Mamba® Web Press Splice Detector™ & Distribution Technology is to detect the presence of all splices in the web of paper being processed on a high speed web press and generate output signals to notify the press print stations that a splice has been detected. The spacing tolerance between the press print heads or station is very close and there is potential to damage the print heads/station by passing a splice through the press when the press is in ready position. Detection of a splice in the web is critical to allow the system sufficient time to protect the print heads/station.

In general, the Black Mamba Technology:

	Reliably detect splices in the web.
	Generate a signal upon detection of a splice.
	Provide a fail safe mechanism to notify the press system that the sensor subsystem is connected and functioning.

Theory of Operation:

Digital signals relative to the common reference is output from the Black Mamba® Web Press Splice Detector™ & Distribution Technology and input to the web press electronics. The signals are used to indicate three states. The three states represented by the splice signal include the “idle” state, the “splice detected” state, and the “fault” state.

The idle state is represented by a continuous stream of pulses of a defined duration called the heartbeat. The splice detect event is represented by a single pulse of defined duration. The fault state is represented by a continuous (i.e., not pulsing) signal. The web press electronics will sample and process incoming pulses to determine whether it’s a heartbeat, a splice detect event, a combination of both superimposed on each other in time, or a fault condition. Short pulses within a defined tolerance of the heartbeat pulse will be interpreted as a heartbeat. Longer pulses within a defined tolerance will be interpreted as a splice event. Pulse widths that do not match the specification will be considered fault conditions. Missing heartbeat pulses or a static signal state will also be considered a fault condition. Upon the detection of a "fault" condition the print heads/station will be retracted allowing the defective paper to pass uninterrupted by the print station thus protecting the sensitive print station from damage.

Technology:

The solution is comprised of two distinct devices including a standard Sentinel® Splice Detector™ Technology with a physical separate control & distribution cabinet. The sensor unit detects splices and outputs a pulse to indicate the defect "fault" event. The pulse is input to the Black Mamba control & distribution cabinet which combines incoming splice fault signals with a periodic time based signal ("heartbeat") and control processing circuitry. The resulting signal is output via a set of cabling and isolation circuitry to the web press electronics. The processing circuits in the Black Mamba control & distribution cabinet disables the heartbeat output if the sensor unit is not "powered on" or the splice fault signal is not connected. In addition, an option to disable the "heartbeat" independently for each output channel at field installation time is supported. In the latter case, splice fault events detected by the properly connected, powered on, and functioning sensor unit will exit each channel with or without the "heartbeat" depending on the installation specific settings.

Functional Specifications:

All functional specifications are defined at the input point to the web press electronics. In other words, measured at the connector on the web press electronics that the splice detect subsystem plugs into.

	Output Ports: The splice detect subsystem shall provide three connections ports to the web press system.
	Electrical Isolation: Isolation circuitry is required to isolate the ground (common) reference between the web press electronics and the splice detect system. The cable length between the isolation circuitry and the customer electronics shall not exceed 18 inches.
	System interface diagram.
	Web press electronics receive circuitry load.
	Signal Threshold Specifications: When operating properly the splice detect signal is normally high and pulses low to indicate a heartbeat or splice detect event. The web press electronics are compatible with either an open-drain or active push/pull driver within specified operating limits. Open drain is recommended. The web press electronics have an on-board pull up resistor connected to a DC volt +/- 5% power rail. An un-biased input will be pulled high and represent a logical “1”. The splice detect signal is an active low signal. When asserted, the input voltage shall meet the Vin low specification in Table 1 below. When de-asserted, the input voltage shall meet the Vin high specification below. Ability to adjust the plus durations output from the splice sensor in the field is desirable.
	Signal Timing Specifications: The signal input to the web press electronics shall conform to the timing specifications defined in the manual.

Benefits:

Each Sentinel® Splice Detector™ Technology installed provides the end users, as well as the web press manufacturer the following:

	100% Reliability in splice fault detection.
	Fail safe to notify the press that the Black Mamba is connected and functioning.
	Cuts down time for machine maintenance.
	Limits emergency down time caused by damaged print heads/stations.
	Eliminates the need for "SPLICE FREE PAPER" to be required.
	Significantly improves marketability of press sales to end users.
	Increases product quality of both press and printed material.

Expect Reliability:

With installations in over 130 countries worldwide, our splice detection technologies have been effectively established to ensure delivered product superiority on tens of thousands of materials, coated and non-coated such as papers, films, nonwovens, textiles, and tapes. Our splice detection technologies are installed on many types of machinery including sheeters, on and off machine coaters, extrusion laminators, supercalenders, rotogravure and flexographic printing presses, holographic processes, textile and nonwoven machinery. Low speed to high speed, Splice Detector Systems are proven time and time again to be the leader in performance, reliability and price.

Call SDS:

Call us today to discuss your web inspection application and to learn more about the industry's most diverse line of machine vision web inspection, hole detection, splice detection and control products.

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